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Question
What relationship pattern is illustrated in the following schema?VEHICLE (VehicleID, Cost)
CAR (VehicleID, NumberOfSeats)
TRUCK (VehicleID, CargoCapacity)
VehicleID in CAR must exist in VehicleID in VEHICLE
VehicleID in TRUCK must exist in VehicleID in VEHICLE
A) Association relationship
B) Intersection relationship
C) Recursive relationship
D) Strong entity relationship
E) Supertype/subtype relationship
Answer
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